Finding the Fourth Proportional to 339,314.49, 508,971.30 and 86,594.99
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Solution
The fourth proportional to 339,314.49, 508,971.30 and 86,594.99 is: 129,892.37
Step by Step Solution
- Step 1: Write the proportion equation
339,314.49 : 508,971.30 = 86,594.99 : x - Step 2: Convert to fraction form
339,314.49/508,971.30 = 86,594.99/x - Step 3: Cross multiply
339,314.49x = 508,971.30 × 86,594.99 - Step 4: Simplify right side
339,314.49x = 44,074,363,210.59 - Step 5: Solve for x
x = 44,074,363,210.59/339,314.49 - Step 6: Final answer
x = 129,892.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.